Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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CNY172VM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 366
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AUD 0.307
Multiples of: 1

H11L3


Optocoupler; THT; Channels:1; Out: Schmitt trigger; DIP6
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Isocom 366
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AUD 0.7063
Multiples of: 1

FOD3182SV


High Speed Optocouplers High Speed 3A OUT MOSFET Gate Driver
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ON Semiconductor 365
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AUD 2.2164
Multiples of: 1

ACPL-W611-000E


High Speed Optocouplers 10MBd 3750Vrms
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Broadcom 365
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AUD 2.9672
Multiples of: 1

CNY17F-4X009


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 364
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AUD 0.3962
Multiples of: 1

14230214010


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x-4L DIP 4 Standard 400V 15mA NZC
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Wurth 364
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AUD 0.6364
Multiples of: 1

6N138M


4.5V~18V 1kV DC DIP-8 Logic Output Optoisolators ROHS
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AOTE 358
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AUD 0.325
Multiples of: 5

4N35-000E


Transistor Output Optocouplers 3550 Vrms 60mA
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Broadcom 343
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AUD 0.5391
Multiples of: 1

H11D1M


Transistor Output Optocouplers Hi Volt Phototrans
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ON Semiconductor 214
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AUD 0.4843
Multiples of: 1

LTV-330J-TP1


SMD Optocouplers - Phototransistor Output ROHS
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Lite-On 0
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AUD 1.7942
Multiples of: 1

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